Re: [PATCH 1/3] arm: kvm: clamp NR_VCPUS to MAX_VCPUS

From: Alexander Graf
Date: Sat Sep 14 2013 - 08:14:17 EST




Am 14.09.2013 um 07:10 schrieb Andrew Jones <drjones@xxxxxxxxxx>:

> Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx>
> ---
> arch/arm/kvm/arm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> index 741f66a2edbd7..9ebf8ac3a12ff 100644
> --- a/arch/arm/kvm/arm.c
> +++ b/arch/arm/kvm/arm.c
> @@ -201,7 +201,7 @@ int kvm_dev_ioctl_check_extension(long ext)
> r = 1;
> break;
> case KVM_CAP_NR_VCPUS:
> - r = num_online_cpus();
> + r = min(num_online_cpus(), KVM_MAX_VCPUS);

Is there any real reason to prohibit overcommit?

Alex

> break;
> case KVM_CAP_MAX_VCPUS:
> r = KVM_MAX_VCPUS;
> --
> 1.8.1.4
>
> _______________________________________________
> kvmarm mailing list
> kvmarm@xxxxxxxxxxxxxxxxxxxxx
> https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/